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Françoise
Françoise
Level VI

gage RR

Dec 6, 2024 12:56 PM (1602 views)

Hi,

 

I'm starting with gage RR.

 

Franoise_0-1733507611066.png

 

Why have I 2,59 and not 3,59 for the measurement variation?

 

regards

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1 ACCEPTED SOLUTION

Accepted Solutions
Mark_Bailey
Staff Mark_Bailey
Staff
Solution

Re: gage RR

Dec 6, 2024 01:04 PM (1595 views)  |  Posted in reply to message from Françoise 12-06-2024

The variances are additive, but the standard deviations (reporter) are not: Sqrt( 1.42^2 + 2.17^2 ) = 2.59.

View solution in original post

2 REPLIES 2
Mark_Bailey
Staff Mark_Bailey
Staff
Solution

Re: gage RR

Dec 6, 2024 01:04 PM (1596 views)  |  Posted in reply to message from Françoise 12-06-2024

The variances are additive, but the standard deviations (reporter) are not: Sqrt( 1.42^2 + 2.17^2 ) = 2.59.

Françoise
Françoise
Level VI

Re: gage RR

Dec 6, 2024 01:08 PM (1592 views)  |  Posted in reply to message from Mark_Bailey 12-06-2024

thanks.

I've forgotten..

 

regards

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